Taking a moment to sit on the porch (like a country bumpkin) and contemplate the digging and removal of topsoil and grass roots across the newly widened driveway while the sun is shining and my back’s holding up.
Six holes 2.2×1.2m, 100–130mm deep. Still gotta check they’re level so the water reservoir works properly. Also updated the design today with a clever water level indicator/overflow/drainage solution. More on this as it unfolds.